Body Plans (Grade 11 NSC Matric Life Sciences): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What does a body plan refer to?
What does a body plan refer to?
Basic structural design of animal's body
Approximately how many species are recorded in Kingdom Animalia?
Approximately how many species are recorded in Kingdom Animalia?
1.5 million species
What do phylogenetic trees illustrate?
What do phylogenetic trees illustrate?
Evolutionary connections between groups
In which group did cephalisation first appear?
In which group did cephalisation first appear?
Platyhelminthes (flatworms)
How many planes can divide bilaterally symmetrical animals into equal halves?
How many planes can divide bilaterally symmetrical animals into equal halves?
Only one plane (the sagittal plane)
Why do radially symmetrical animals typically have this body arrangement?
Why do radially symmetrical animals typically have this body arrangement?
They are sessile or move very slowly
Which animals are asymmetrical?
Which animals are asymmetrical?
Sponges
What are diploblastic animals?
What are diploblastic animals?
Animals with only ectoderm and endoderm
Which structures does the mesoderm develop into?
Which structures does the mesoderm develop into?
Blood, bone, and reproductive organs
What is one advantage of having a coelom?
What is one advantage of having a coelom?
It facilitates peristalsis in digestion